Cosmetic brush handle



FIG. 1 is a front view of a cosmetic brush handle showing my new design, the rear being a mirror image thereof;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof; and,

FIG. 4 is a bottom view thereof.

The broken line showing of bristles is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a cosmetic brush handle, as shown and described. 